1) The thing to say to heckle a band/musician that you are not enjoying by implying they are not playing "real music" like Lynyrd Skynyrd.
2) A surefire way to establish yourself as the angriest and most unoriginal person in the room.
(at a Jesse McCartney concert)
40 year old pedophile: Play Free Bird!
13 year old girls: Shut up old creepy man!
Jesse McCartney (giving the finger): There's your free bird!